Messages in this thread |  | | From | Denis Vlasenko <> | Subject | Re: 2.5.63 accesses below %esp (was: Re: ntfs OOPS (2.5.63)) | Date | Tue, 18 Mar 2003 08:05:30 +0200 |
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On 17 March 2003 23:43, Horst von Brand wrote: > Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua> said: > > On 15 March 2003 20:34, Horst von Brand wrote: > > > Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua> said: > > [...] > > > > > Why not? Disassemble from, say, EIP-16 and check whether you > > > > have an instruction starting exactly at EIP. If no, repeat from > > > > EIP-15, -14... You are guaranteed to succeed at EIP-0 ;) > > > > > > But your previous success (if any) doesn't mean anything, and > > > might even screw up the decoding after EIP > > > > How come? If I started to decode at EIP-n and got a sequence of > > instructions at EIP-n, EIP-n+k1, EIP-n+k2, EIP-n+k3..., EIP, > > instructions prior to EIP can be wrong. Instruction at EIP > > and all subsequent ones ought to be right. > > Iff you exactly hit EIP that way (sure, should check). But wrong > previous instructions _will_ confuse people or start them on all kind > of wild goose chases. Too much work for a dubious gain.
You are right. But that is better than showing no prior instructions at all. And most of the time (can I say 90% ?) prior instructions will be ok. -- vda - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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